A346035 - cp's OEIS frontend

A346035 a(1) = 1; if a(n) is not divisible by 3, a(n+1) = 4*a(n) + 1, otherwise a(n+1) = a(n)/3.

n	a(n)
1	1
2	5
3	21
4	7
5	29
6	117
7	39
8	13
9	53
10	213
11	71
12	285
13	95
14	381
15	127
16	509
17	2037
18	679
19	2717
20	10869
21	3623
22	14493
23	4831
24	19325
25	77301
26	25767
27	8589
28	2863
29	11453
30	45813
31	15271
32	61085
33	244341
34	81447
35	27149
36	108597
37	36199
38	144797
39	579189
40	193063
41	772253
42	3089013
43	1029671
44	4118685

[1, 5, 21, 7, 29, 117, 39, 13, 53, 213, 71, 285, 95, 381, 127, 509, 2037, 679, 2717, 10869, 3623, 14493, 4831, 19325, 77301, 25767, 8589, 2863, 11453, 45813, 15271, 61085, 244341, 81447, 27149, 108597, 36199, 144797, 579189, 193063, 772253, 3089013, 1029671, 4118685]

cp's OEIS Frontend

A346035 a(1) = 1; if a(n) is not divisible by 3, a(n+1) = 4*a(n) + 1, otherwise a(n+1) = a(n)/3.

Table of values

List of values